configure with ZSTD by default, can be disabled with --with-zstd=no

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@74391 15284696-431f-4ddb-bdfa-cd5b030d7da7

configure

@@ -69,7 +69,7 @@ ac_help="$ac_help
 ac_help="$ac_help
   --with-bzlib            support BZIP2 functionality (default: no)"
 ac_help="$ac_help
-  --with-zstd             support Zstandard functionality (default: no)"
+  --with-zstd             support Zstandard functionality (default: yes)"
 ac_help="$ac_help
   --with-gdal[=path/gdal-config]
                           enable GDAL/OGR support (gdal-config with path,
@@ -1909,7 +1909,7 @@ if test "${with_zstd+set}" = set; then
   withval="$with_zstd"
   :
 else
-  with_zstd=no
+  with_zstd=yes
 fi
 
 

configure.in

@@ -268,7 +268,7 @@ LOC_ARG_WITH(pthread, POSIX threads, no)
 LOC_ARG_WITH(openmp, OpenMP, no)
 LOC_ARG_WITH(opencl, OpenCL, no)
 LOC_ARG_WITH(bzlib, BZIP2, no)
-LOC_ARG_WITH(zstd, Zstandard, no)
+LOC_ARG_WITH(zstd, Zstandard)
 
 AC_ARG_WITH(gdal,
 [  --with-gdal[=path/gdal-config]